using System.Text.Json;
using InnovEnergy.Lib.Time.Unix;
using InnovEnergy.Lib.Utils;
using static System.Text.Json.JsonSerializer;

namespace InnovEnergy.App.SaliMax.SystemConfig;

// shut up trim warnings
#pragma warning disable IL2026  

public class Config //TODO: let IE choose from config files (Json) and connect to GUI
{
    private static String DefaultConfigFilePath => Path.Combine(Environment.CurrentDirectory, "config.json");

    private static readonly JsonSerializerOptions JsonOptions = new() { WriteIndented = true };

    public required Double         MinSoc                         { get; set; } 
    public required Boolean        ForceCalibrationCharge         { get; set; } 
    public required Double         PConstant                      { get; set; } 
    public required Double         GridSetPoint                   { get; set; } 
    public required Double         BatterySelfDischargePower      { get; set; } 
    public required Double         HoldSocZone                    { get; set; } 
    public required DevicesConfig  IslandMode                     { get; set; }
    public required DevicesConfig  GridTie                        { get; set; }
    
    public required Double         MaxBatteryChargingCurrent      { get; set; } 
    public required Double         MaxBatteryDischargingCurrent   { get; set; }
    public required Double         MaxDcPower                     { get; set; } 

    
    public required Double       MaxChargeBatteryVoltage        { get; set; }
    public required Double       MinDischargeBatteryVoltage     { get; set; }
    
    public required DeviceConfig Devices                        { get; set; }
    public required S3Config?    S3                             { get; set; }

    private static String? LastSavedData { get; set; }
    
    #if DEBUG 
    public static Config Default => new()
    {
        MinSoc                         = 20,
        ForceCalibrationCharge         = false,   
        PConstant                      = .5,
        GridSetPoint                   = 0,
        BatterySelfDischargePower      = 200,  
        HoldSocZone                    = 1,   // TODO: find better name,
        IslandMode = new()
        {
            AcDc = new ()
            {
                MinDcLinkVoltage             = 690,
                ReferenceDcLinkVoltage       = 750,
                MaxDcLinkVoltage             = 810,
            },
        
            DcDc = new ()
            {
                UpperDcLinkVoltage             = 50,
                LowerDcLinkVoltage             = 50,
                ReferenceDcLinkVoltage         = 750,
            },
        },
        
        GridTie = new()
        {
            AcDc = new ()
            {
                MinDcLinkVoltage               = 720,
                ReferenceDcLinkVoltage         = 750,
                MaxDcLinkVoltage               = 810,
            },
        
            DcDc = new ()
            {
                UpperDcLinkVoltage             = 50,
                LowerDcLinkVoltage             = 50,
                ReferenceDcLinkVoltage         = 750,
            },
        },
        
        MaxBatteryChargingCurrent              = 210,
        MaxBatteryDischargingCurrent           = 210,
        MaxDcPower                             = 10000,

        MaxChargeBatteryVoltage                = 57,
        MinDischargeBatteryVoltage             = 0,
        Devices = new ()
        {
            TruConvertAcIp       = new() { Host = "localhost", Port = 5001},  
            TruConvertDcIp       = new() { Host = "localhost", Port = 5002},  
            GridMeterIp          = new() { Host = "localhost", Port = 5003},  
            IslandBusLoadMeterIp = new() { Host = "localhost", Port = 5004},  
            AmptIp               = new() { Host = "localhost", Port = 5005},  
            RelaysIp             = new() { Host = "localhost", Port = 5006},  
            BatteryIp            = new() { Host = "localhost", Port = 5007}, 
            BatteryNodes         = new []{ 2, 3, 4, 5, 6 }
        },
        S3 = null
    };
    #else 
    public static Config Default => new()
    {
        MinSoc                               = 20,
        ForceCalibrationCharge               = false, 
        PConstant                            = .5,
        GridSetPoint                         = 0,
        BatterySelfDischargePower            = 200,  
        HoldSocZone                          = 1,   // TODO: find better name,
        IslandMode = new()
        {
            AcDc = new ()
            {
                MinDcLinkVoltage             = 690,
                ReferenceDcLinkVoltage       = 750,
                MaxDcLinkVoltage             = 810,
            },
        
            DcDc = new ()
            {
                UpperDcLinkVoltage             = 50,
                LowerDcLinkVoltage             = 50,
                ReferenceDcLinkVoltage         = 750,
            },
        },
        
        GridTie = new()
        {
            AcDc = new ()
            {
                MinDcLinkVoltage               = 720,
                ReferenceDcLinkVoltage         = 750,
                MaxDcLinkVoltage               = 780,
            },
        
            DcDc = new ()
            {
                UpperDcLinkVoltage             = 20,
                LowerDcLinkVoltage             = 20,
                ReferenceDcLinkVoltage         = 750,
            },
        },

            
        MaxBatteryChargingCurrent            = 210,
        MaxBatteryDischargingCurrent         = 210,
        MaxDcPower                           = 10000,
        
        MaxChargeBatteryVoltage              = 57,
        MinDischargeBatteryVoltage           = 0,
        S3 = new()
        {
            Bucket      = "saliomameiringen",
            Region      = "sos-ch-dk-2",
            Provider    = "exo.io",
            ContentType = "text/plain; charset=utf-8",
            Key         = "EXO2bf0cbd97fbfa75aa36ed46f",
            Secret      = "Bn1CDPqOG-XpDSbYjfIJxojcHTm391vZTc8z8l_fEPs"
        },
        Devices                   = new ()
        {
            RelaysIp             = new() { Host = "10.0.1.1",  Port = 502}, 
            TruConvertAcIp       = new() { Host = "10.0.2.1",  Port = 502}, 
            TruConvertDcIp       = new() { Host = "10.0.3.1",  Port = 502}, 
            GridMeterIp          = new() { Host = "10.0.4.1",  Port = 502}, 
            IslandBusLoadMeterIp = new() { Host = "10.0.4.2",  Port = 502}, 
            AmptIp               = new() { Host = "10.0.5.1",  Port = 502}, 
            BatteryIp            = new() { Host = "localhost", Port = 6855},
            BatteryNodes         = new []{ 2, 3, 4, 5, 6, 7, 8, 9, 10, 11},
        },
    };
    #endif

    public void Save(String? path = null)
    {
        var configFilePath = path ?? DefaultConfigFilePath;
        
        try
        {
            var jsonString = Serialize(this, JsonOptions);

            if (LastSavedData == jsonString)
                return;
            
            LastSavedData = jsonString;

            File.WriteAllText(configFilePath, jsonString);
        }
        catch (Exception e)
        {
            $"Failed to write config file {configFilePath}\n{e}".LogInfo();
            throw;
        }
    }
    
    
    public static Config Load(String? path = null)
    {
        var configFilePath = path ?? DefaultConfigFilePath;
        try
        {
            var jsonString = File.ReadAllText(configFilePath);
            return Deserialize<Config>(jsonString)!;
        }
        catch (Exception e)
        {
            $"Failed to read config file {configFilePath}, using default config\n{e}".WriteLine();
            return Default;
        }
    }
    
    
    public static async Task<Config> LoadAsync(String? path = null)
    {
        var configFilePath = path ?? DefaultConfigFilePath;
        try
        {
            var jsonString = await File.ReadAllTextAsync(configFilePath);
            return Deserialize<Config>(jsonString)!;
        }
        catch (Exception e)
        {
            Console.WriteLine($"Couldn't read config file {configFilePath}, using default config");
            e.Message.WriteLine();
            return Default;
        }
    }
}